Yes, I need details to be able to investigate. Yes, some throttles apply to netblocks, but I should point out that throttles are not "just" a netblock or "just" an IP or domain, we have hundreds of different throttles depending on many features, and good enough reputation will exempt you from most of them. If you're hitting throttles, either you're basically "unknown" to us, very low volume, or there's a very good chance the message was going to go to the spam label anyways.
Also, switching IPs shouldn't be hard.. if you have sufficient volume and your mail authenticates and you keep the same authentication when switching IPs, then your reputation should transfer. That said, that's the theory, some of the senders here may have more insight to how the system actually works in practice since they fight with it every day. And, our filter is far from perfect, so happy to investigate so we can tune it. Brandon On Wed, Apr 13, 2016 at 8:42 AM, Paul Kincaid-Smith via mailop < mailop@mailop.org> wrote: > Hi Robert, > > Gmail's systems are very sensitive to sudden changes. Start with just a > few/tens of emails the first day and ramp up slowly -- an *order of > magnitude* at a time. Eventually their machine learning systems will > discover that recipients want your mail and adjust accordingly. > > Paul > > On Wed, Apr 13, 2016 at 4:39 AM, Robert Guthrie <rguth...@gmail.com> > wrote: > >> Hello list, >> >> I run a group decision making app. We send about 40,000 transactional >> emails a day, with very good open rates. >> >> I recently setup a new SMTP on a new IP address, emails to Google Apps >> accounts take a few hours to arrive do to throttling on Google's end. I >> wish I'd reused the old IP address, because those emails always arrived >> immediately. >> >> After about a week I'm still seeing 1 hour delays on things like password >> reset emails. How long does this warm up process typically take? Is there >> anything I can do to reduce the delay time? >> >> _______________________________________________ >> mailop mailing list >> mailop@mailop.org >> https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >> >> > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > >
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